DMM.make DISPLAY
http://make.dmm.com/public/product/display/
50 ¥59.9K
65 ¥159.9K

Q-display
http://upq.me/jp/q-display/4k50x/
50 ¥75K
http://upq.me/jp/q-display/4k65_limited_model_2016_17/
65 ¥149K

一物二価……